How to Safely Shut Down a Bitmain Antminer S19 Series Miner? Detailed Guide

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In this article, we’ll demonstrate an alternative method to simply pulling the plug to safely shut down a Bitmain Antminer S19 Series miner.

When we had to shut down the Bitmain Antminer S19 Series miner for the first time, we were fairly certain we had done it incorrectly. Since Bitmain Antminer S19 series miners lack a power switch, the solution for us—and for many other cryptocurrency miners—was to simply unplug the power supply. We figured there had to be a way to safely shut an Antminer down. After some searching, it was discovered that there is.

Read more: How to Power Off, Reboot, Or Restart The Bitmain Antminer S19 Series?

What Happens When You Unplug An Antminer S19 Series Miner?

Just unplug it?

A running Antminer S19 Series miner loses all power when the plug is pulled out. Naturally, it stops functioning as intended, loses its Internet connection, and turns into a paperweight. When it does so there is a bit of a potential concern, however.

Hot ASIC miners

Antminer S19 Series miners run hot which is why those high RPM fans are bolted onto both ends of the Chinese workhorses. While the unit is mining the fans force cooler air into one end of the ASIC. As the air passes through, it absorbs heat inside the unit, expelling it out the opposite.

The fans at either end of the unit are inactive if there is no power. The chips inside are now on their own to cool down. The aluminum enclosure, the restricted airflow in the tube, and the heat sinks all contribute to the escape of internal heat. But it’s definitely possible that temperatures will increase briefly before any cooling starts. A chance for harm results from that. The miner will have to sit on the bench and will lose money.

What Happens When You Change An Antminer’s Settings?

Your Antminer S19 Series miner’s fans likely run at a very high RPM after you apply a frequency change if you’ve ever underclocked or overclocked it. In order to continue removing heat from the chips and boards and prevent damage, the unit stops mining at this point and turns up the fans. The frequency change is then gradually applied over the course of about a minute, with the fans spinning at a low speed.

This is a sensible way to turn off sensitive hardware that is hot. We only need to halt mining while keeping the fans running for a while. Here’s how.

Safely Shut Down An Antminer S19 Series Miner

You will need to know the local IP address of your Antminer S19 Series miner as well as your login credentials to its dashboard and access to a computer on the same network. Also read: How to Download Bitmain Antminer S19 Series IP Reporter and Use It to Find IP

For the purposes of this example, we’ll pretend that our Antminer is connected to a local network at the IP address 192.168.7.125 and that root is still the administrator name.

  1. Open the Terminal App (on a Mac) or Command Prompt (on a PC)
  2. Type: ssh [email protected] replacing root with your administrator name and 192.168.7.125 with the Antminer’s IP address
  3. If you get a security warning, such as an OS X host authenticity warning go ahead and still connect
  4. Provide the Antminer with your password when prompted
  5. You’re now connected to the Antminer. To stop mining but leave the fans running, type: poweroff
  6. You will receive a response from the Antminer informing you that it is shutting down.
  7. Unplug the Antminer safely after waiting five or ten minutes.

That’s it. Here’s what we did. We connected to the Antminer S19 Series miner and authenticated access to it in steps 1 through 4 first. Step 5 saw the end of the mining process. The fans inside the Antminer continue to cool the chips because it is still plugged into a power source. After a brief period of cooling off, we finally unplug the Antminer with confidence that there won’t be a temperature spike.

How to Safely Shut Down a Bitmain Antminer S19 Series Miner? Detailed Guide

Issuing the poweroff command to the Antminer

Still, most people will probably just cut the power. But, if you prefer to shut down your Antminer in a way less prone to damage, now you know how.

Summary: Safely Shut Down a Bitmain Antminer S19 Series Miner

The simplest method of turning off your Bitmain Antminer S 19 series miners is to simply pull the plug, but doing so could shorten its lifespan. To safely shut down your miner, try the method we mentioned above.

FAQs

How Do I Reset My Antminer S19 Pro?

This article’s information is appropriate for all Antminer. Within ten minutes of the miner’s launch, this technique can be used. After the miner is turned on for 2 minutes, please press and hold the “Reset” button for 5 seconds, and then release it.

How Do I Turn on My Antminer S19 Series Miners?

Connect all of the power cables from your power source to the power headers on the top side of the miner. One cable is for the controller, and the other cables are for the hash boards. Next, attach an Ethernet cable to your miner and then the other end to a router or switch. The miner will start up after you turn on your PSU.

Do ASIC Miners Need Cooling?

The heat generated by ASIC miners is enormous.

If left unattended, the high temperature could damage the hardware or even cause a fire. Therefore, miners often install dedicated cooling systems to reduce the temperature of their mining facilities.

Read more: Antminer Cooling Solutions: Keeping Your S19 Series Miners Cool

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